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Business Days Calculator

Count Monday-through-Friday calendar days between two dates, including both endpoints.

Use the tool

Enter your values below. Results are calculated in your browser.

About this Business Days Calculator

Business Days Calculator counts weekdays in an inclusive date range while excluding Saturdays and Sundays.

Formula or method

Every calendar date in the inclusive range is counted when its weekday is Monday through Friday.

Example

Monday through Friday in the same week counts as 5 business days.

Common uses

  • Estimate working-day spans.
  • Count weekdays in a project window.
  • Compare calendar days with Monday-Friday days.

How to use this tool

  1. Enter the values or text requested by the calculator.
  2. Choose units or options when the tool provides them.
  3. Select the calculation button and review the result.
  4. Use the formula, example and notes on this page to check whether the result fits your situation.

Important note

Public holidays are not removed because holiday calendars vary by country, region and employer.

Frequently asked questions

Are public holidays excluded?

No. Only Saturdays and Sundays are excluded.

Are the start and end dates included?

Yes, when they fall Monday through Friday.